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Wycheproofite (Wycheproofit)

Additional Functions

Collectors Summary

Color braungelb, gelborange
Streak color weiß
Lustre Glasglanz, Perlglanz
Hardness (Mohs) 4.00 - 5.00
Cleavages keine
Fracture unregelmäßig
Crystal System triklin, P1

Chemism

Chemical formula

NaAlZr(PO4)2(OH)2·H2O

Chemical composition

Aluminium, Natrium, Zirconium, Phosphor, Sauerstoff, Wasserstoff

Unit weight: 383.1685488 u; Number of atoms in the formula: 20

Info

Empirical formula:

NaAlZr(PO4)2(OH)2·H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.05

4

20.00

1.0079470

4.0317880

Oxygen

O

45.93

11

55.00

15.9994300

175.9937300

Sodium

Na

6.00

1

5.00

22.9897702

22.9897702

Aluminium

Al

7.04

1

5.00

26.9815382

26.9815382

Phosphorus

P

16.17

2

10.00

30.9737612

61.9475224

Zirconium

Zr

23.81

1

5.00

91.2242000

91.2242000

Analysis wt%

Na2O : 6.36, K2O : 0.44, CaO : 0.66, Al2O3 : 12.03, ZrO2 : 32.43, HfO2 : 1.24, H2O : 9.00, P2O5 : 35.85 (Ref: Mineralogical Magazine 94)

Strunz 9th edition incl. updates

8.DJ.30

8: Phosphate, Arsenate, Vanadate
D: Phosphate, mit weiteren Anionen, mit H2O
J: Mit großen und mittelgroßen [Kationen], (OH, etc.):RO4 = 1:1
30:Wycheproofit-Gruppe

Lapis Classification

VII/D.40-010

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
D: Wasserhaltige Phosphate, mit fremden Anionen
40: Mittelgroße und sehr große Kationen: Al-Mg und Ca-Na-K

Classification by Hölzel

8.DI.370

8: PHOSPHATES ARSENATES VANADATES
D: Phosphates (+Anions +Water)
I: C large, V=1(2) - C small-medium, V=2,3,4
3: C small-medium, V=3 - XO4/OH=2 Leucophosphit-Group

Dana 8th edition

40.05.05.01

40: Hydrated Phosphates, etc
05: Hydrated Phosphates, etc with miscellaneous formulae

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

braungelb, gelborange

Streak color

weiß

Diaphaneity (Transparency)

transparent

Lustre

Glasglanz, Perlglanz

max. Birefringence

0.02

Birefringence chart\! Wycheproofite title=Birefringence chart Wycheproofite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.62

RI value γ / ε

1.64

Ri mean

1.63

2V angle

Biaxial

Crystallography

Crystal System

triklin

Class (H-M)

1

Space Group number

2

Space Group

P1

Cell parameters a (Å)

5.263

Cell parameters b (Å)

9.251

Cell parameters c (Å)

9.480

Cell parameters a/b or c/a

0.569

Cell parameters c/b

1.025

Cell parameters α

109.49°

Cell parameters β

98.57°

Cell parameters γ

90.09°

Z

2

Volume (ų)

429.605

X-Ray Powder Diffraction

8.86(40),
4.128(80),
3.711(60),
3.465(60),
3.243(30),
2.875(30),
2.603(100),
1.524(30)

XRD chart Wycheproofite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

4.00 - 5.00

VHN (Hardness Vickers)

280 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.929 (berechnet) 2.81 (gemessen)

2.962 ( ρ calc. Mineralienatlas )

Cleavages

keine

Fracture

unregelmäßig

(Co-)Type locality

(Co-)Type locality

Australien/Victoria/Wycheproof/Granitbruch

Type material

South Australian Museum, Adelaide, Australien

Museum Victoria, Melbourne, Australien

Collection number of type material

G18612 (Adelaide); M42853, M42846 (Melbourne)

Preface

Name from

Für das Vorkommen bei Wycheproof, Australien.

Author (Name, Year)

Birch & Pring & Bevan & Kharisun, 1994

References

European Journal of Mineralogy 15 (2003), 1029

Mineralogical Magazine 58 (1994), 635

European Journal of Mineralogy 15 (2003), 1029

Other languages

German

Wycheproofit

Spanish

Wycheproofita

English

Wycheproofite

French

Wycheproofite

Russian

Уайчпруфит

CNMNC (IMA)-Number

IMA 1993-024

CNMNC symbol

Symbol

Wyc

IDs

GUSID (Global unique identifier short form) KYikV4TM5UCoz0YYPsXiSg
GUID (Global unique identifier) 57A48829-CC84-40E5-A8CF-46183EC5E24A
Database ID 4204